Contents
- Weather in June
- Frequently asked questions
- Average temperature in June
- Average pressure in June
- Average wind speed in June
- Average humidity in June
- Average rainfall in June
- Average rainfall days in June
- Average snowfall in June
- Average snowfall days in June
- Average daylight in June
- Average sunshine in June
- Average sunshine days in June
- Average UV index in June
- Average cloud cover in June
- Average visibility in June
Weather in June
Temperature
The shift from May to June sees a slight increase in the average high-temperature, transitioning from an agreeable 68.7°F (20.4°C) to a moderately hot 76.6°F (24.8°C). Throughout June nights, Mount Gretna registers an average low-temperature of 58.6°F (14.8°C).Humidity
In June, the average relative humidity is 80%.Rainfall
In June, the rain falls for 14.8 days. Throughout June, 1.38" (35mm) of precipitation is accumulated. Throughout the year, in Mount Gretna, Pennsylvania, there are 137.4 rainfall days, and 16.26" (413mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Mount Gretna.Daylight
The month with the longest days in Mount Gretna is June, with an average of 15h and 0min of daylight.On the first day of the month, sunrise is at 5:37 am and sunset at 8:29 pm. On the last day of June, in Mount Gretna, sunrise is at 5:39 am and sunset at 8:39 pm EDT.
Sunshine
In June, the average sunshine is 9.8h.UV index
The months with the highest UV index in Mount Gretna, Pennsylvania, are May through July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In June, the maximum UV index of 6 suggests this advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
What is the usual temperature for Mount Gretna in June?
What is the average humidity in June in Mount Gretna?
How much does it rain in Mount Gretna in June?
When it does not snow in Mount Gretna?
Does it snow in Mount Gretna in June?
When are the longest days in Mount Gretna?
How many hours of daylight does Mount Gretna have in June?
When is the sunrise / sunset in June in Mount Gretna?
How long on average sun shines in June in Mount Gretna?
What is the month with the highest UV index in Mount Gretna?
How high is the UV index in June in Mount Gretna?
Average temperature in June
Mount Gretna, PA
- Average high temperature in June: 76.6°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in June: 58.6°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in June
Mount Gretna, PA
- Average pressure in June: 29.94"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in June
Mount Gretna, PA
- Average wind speed in June: 6.1mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in June
Mount Gretna, PA
- Average humidity in June: 80%
The months with the highest relative humidity are February, May and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in June
Mount Gretna, PA
- Average rainfall in June: 1.38"
The wettest month (with the highest rainfall) is August (2.13").
The driest month (with the least rainfall) is February (0.94").
Average rainfall days in June
Mount Gretna, PA
- Average rainfall days in June: 14.8 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in June
Mount Gretna, PA
- Average snowfall in June: 0"
The month with the highest snowfall is January (1.97").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Mount Gretna, PA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Mount Gretna, PA
- Average daylight in June: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in June: 9h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in June
Mount Gretna, PA
- Average sunshine days in June: 12.3 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in June
Mount Gretna, PA
- Average UV index in June: 6
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in June
Mount Gretna, PA
- Average cloud cover in June: 36
The months with the most cloud cover are February and December (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in June
Mount Gretna, PA
- Average visibility in June: 6mi
The months with the highest visibility are January, February, March, April, June, July, November and December (6mi).
The months with the lowest visibility are May, August, September and October (5mi).
Mount Gretna, Pennsylvania, USA
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